JPS549257A - Preparation of highly pure 1,8-dihydroanthraquinone - Google Patents

Preparation of highly pure 1,8-dihydroanthraquinone

Info

Publication number
JPS549257A
JPS549257A JP7467677A JP7467677A JPS549257A JP S549257 A JPS549257 A JP S549257A JP 7467677 A JP7467677 A JP 7467677A JP 7467677 A JP7467677 A JP 7467677A JP S549257 A JPS549257 A JP S549257A
Authority
JP
Japan
Prior art keywords
dihydroanthraquinone
preparation
highly pure
dinitration
anthraquinone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP7467677A
Other languages
Japanese (ja)
Other versions
JPS6141334B2 (en
Inventor
Yoshiyuki Takeda
Shinichiro Koga
Yutaka Fukuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Chemical Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Chemical Industries Ltd filed Critical Mitsubishi Chemical Industries Ltd
Priority to JP7467677A priority Critical patent/JPS549257A/en
Publication of JPS549257A publication Critical patent/JPS549257A/en
Publication of JPS6141334B2 publication Critical patent/JPS6141334B2/ja
Granted legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: To prepare the title cpd., useful as raw materials for intermediates for dispersion dyes, by crystallization of the mother liquor, removed 1,5dinitroanthraquinone from the dinitration mixture of anthraquinone, in the specific conditions such as nitric acid evaporation ratio.
COPYRIGHT: (C)1979,JPO&Japio
JP7467677A 1977-06-23 1977-06-23 Preparation of highly pure 1,8-dihydroanthraquinone Granted JPS549257A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7467677A JPS549257A (en) 1977-06-23 1977-06-23 Preparation of highly pure 1,8-dihydroanthraquinone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7467677A JPS549257A (en) 1977-06-23 1977-06-23 Preparation of highly pure 1,8-dihydroanthraquinone

Publications (2)

Publication Number Publication Date
JPS549257A true JPS549257A (en) 1979-01-24
JPS6141334B2 JPS6141334B2 (en) 1986-09-13

Family

ID=13554061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7467677A Granted JPS549257A (en) 1977-06-23 1977-06-23 Preparation of highly pure 1,8-dihydroanthraquinone

Country Status (1)

Country Link
JP (1) JPS549257A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58133477A (en) * 1982-02-03 1983-08-09 Hitachi Ltd Electronic ignition device for marine use
CN109438246A (en) * 2018-09-27 2019-03-08 青岛海湾精细化工有限公司 A kind of processing method and processing system of anthraquinone

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5046654A (en) * 1973-08-20 1975-04-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5046654A (en) * 1973-08-20 1975-04-25

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58133477A (en) * 1982-02-03 1983-08-09 Hitachi Ltd Electronic ignition device for marine use
CN109438246A (en) * 2018-09-27 2019-03-08 青岛海湾精细化工有限公司 A kind of processing method and processing system of anthraquinone

Also Published As

Publication number Publication date
JPS6141334B2 (en) 1986-09-13

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